* Restyle code element, clean up variables
- Removes the padding and background-color
- Changes the color to a brand color ()
- Add new variables to kbd element styles to account for removing the code ones
- Remove overrides that were needed previously
* only break between words, and override it in the pre
* make file inputs 100% wide
* scope custom file changes in input group for sizing
* shorter button labels for responsive
* narrower cards
* button was too wide
* downsize
* fewer links in pagination
* redo cell text
* improve overflow docs
IE10 and IE11 do not properly support the use of margin-auto on flex parents with a justify-content value other than flex-start. This PR removes the examples showcasing those two classes at play together in favor of simpler ones with _just_ the margin-auto utilities.
More details can be found at https://stackoverflow.com/a/37535548, which has been linked to from the docs as well.
Closes#24319 and closes#24413.